From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from cantor2.suse.de ([195.135.220.15]:55619 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751170AbbGAJUM (ORCPT ); Wed, 1 Jul 2015 05:20:12 -0400 Subject: RE: megaraid_sas: "FW in FAULT state!!", how to get more debug output? [BKO63661] From: Jean Delvare To: Kashyap Desai Cc: Bjorn Helgaas , "Robin H. Johnson" , Adam Radford , Neela Syam Kolli , linux-scsi@vger.kernel.org, arkadiusz.bubala@open-e.com, Matthew Garrett , Sumit Saxena , Uday Lingala , "PDL,MEGARAIDLINUX" , linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org, Myron Stowe In-Reply-To: <12176d8f15f49359898726ccede592bd@mail.gmail.com> References: <20150429172832.GB7888@google.com> <20150528122443.GI10210@google.com> <9e8b957da24d7b1f532ed83ffb86ca37@mail.gmail.com> <1435584320.4646.53.camel@chaos.site> <12176d8f15f49359898726ccede592bd@mail.gmail.com> Content-Type: text/plain; charset="UTF-8" Date: Wed, 01 Jul 2015 11:20:07 +0200 Message-ID: <1435742407.22803.34.camel@chaos.site> Mime-Version: 1.0 Sender: linux-pci-owner@vger.kernel.org List-ID: Hi Kashyap, I finally managed to backport your patch to the SLES 12 kernel :-) I'll build a test kernel for the customer and have them test it. I'll let you know if I need your help later for the SLES 11 SP3 kernel backport - thanks for the offer! Jean Le Tuesday 30 June 2015 à 16:03 +0530, Kashyap Desai a écrit : > Jean, > > Patch is available at below repo - > > git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi.git - b for-next > > Commit id - > 6431f5d7c6025f8b007af06ea090de308f7e6881 > > If you share megaraid_sas driver code of your tree, I can provide patch for > you. > > ` Kashyap > > > -----Original Message----- > > From: Jean Delvare [mailto:jdelvare@suse.de] > > Sent: Monday, June 29, 2015 6:55 PM > > To: Kashyap Desai > > Cc: Bjorn Helgaas; Robin H. Johnson; Adam Radford; Neela Syam Kolli; > > linux- > > scsi@vger.kernel.org; arkadiusz.bubala@open-e.com; Matthew Garrett; Sumit > > Saxena; Uday Lingala; PDL,MEGARAIDLINUX; linux-pci@vger.kernel.org; linux- > > kernel@vger.kernel.org; Myron Stowe > > Subject: RE: megaraid_sas: "FW in FAULT state!!", how to get more debug > > output? [BKO63661] > > > > Hi Kashyap, > > > > Thanks for the patch. May I ask what tree it was based on? Linus' > > latest? I am trying to apply it to the SLES 11 SP3 and SLES 12 kernel > > trees (based > > on kernel v3.0 + a bunch of backports and v3.12 > > respectively) but your patch fails to apply in both cases. I'll try harder > > but I don't > > know anything about the megaraid_sas code so I really don't know where I'm > > going. > > > > Does your patch depend on any other that may not be present in the SLES > > 11 SP3 and SLES 12 kernels? > > > > Thanks, > > Jean > > > > Le Thursday 28 May 2015 à 19:05 +0530, Kashyap Desai a écrit : > > > Bjorn/Robin, > > > > > > Apologies for delay. Here is one quick suggestion as we have seen > > > similar issue (not exactly similar, but high probably to have same > > > issue) while controller is configured on VM as pass-through and VM > > > reboot > > abruptly. > > > In that particular issue, driver interact with FW which may require > > > chip reset to bring controller to operation state. > > > > > > Relevant patch was submitted for only Older controller as it was only > > > seen for few MegaRaid controller. Below patch already try to do chip > > > reset, but only for limited controllers...I have attached one more > > > patch which does chip reset from driver load time for > > > Thunderbolt/Invader/Fury etc. (In your case you have Thunderbolt > > > controller, so attached patch is required.) > > > > > > http://www.spinics.net/lists/linux-scsi/msg67288.html > > > > > > Please post the result with attached patch. > > > > > > Thanks, Kashyap